MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
About MedicalVocabulary.org
The most complete online medical dictionary: 16,436 terms covering anatomy, physiology, pathologies, diagnostic exams, pharmacology and every clinical specialty.
Designed for 3 kinds of users:
- Patients and family who want to understand a diagnosis, a medical report or instructions from a doctor.
- Students of medicine, nursing, physiotherapy and the health professions, dealing with technical terminology.
- Doctors, pharmacists and healthcare workers who need a quick and reliable reference.
Definitions are written in clear, accessible language while keeping the rigor required for professional use. Each term has a dedicated URL, instant autocomplete search, and can be shared on WhatsApp, Facebook, X and via email with one click.
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Disclaimer: the content is for informational and educational purposes only and does not replace medical advice. If you have doubts about your health, always consult a qualified professional. In case of emergency call your local emergency number (911 in the US, 112 in the EU).
Chromatophobia
An abnormal and persistent fear of money. Sufferers experience undue anxiety even though they realize their fear is irrational. They worry that they might mismanage money or that money might live up to its reputation as 'the root of all…
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Show more- Lamarckism The theory of acquired characteristics put forth by Jean-Baptiste P.A. Lamarck (1744-1829), a French…
- Parthenogenesis Development of a germ cell without fertilization. This is what happens in the formation of ovarian teratomas…
- Phototherapy Treatment with light. For example, a newborn with jaundice may be 'put under the lights.'
- Dandy fever An acute mosquito- borne viral illness of sudden onset that usually follows a benign course with headache…
- Pneumococcal immunization Vaccination to help prevent infection by Streptococcus pneumoniae, also known as the pneumococcus bacterium…
- Assisted suicide Suicide: The deliberate hastening of death by a terminally ill patient with assistance from a doctor, family…
- Bee sting Stings from bees and other large stinging insects such as yellow jackets, hornets and wasps can trigger…
- Protein C A vitamin K-dependent protein in plasma that enters into the cascade of biochemical events leading to the…
- Caudal anesthesia Anesthesia produced by injection of a local anesthetic into the caudal canal, the sacral portion of the…
- Eyelids, congenital ptosis of the Drooping of the upper eyelids at birth. The lids may droop only slightly or they may cover the pupils and…
- Central vision Straight-ahead vision. Central vision is the work of the macula, a small area in the center of the retina…
- Tumor grade The degree of abnormality of cancer cells, a measure of differentiation, the extent to which cancer cells are…